Transformer radiator



April 29 1924.

W. M. DANN TRANSFORMER RADIATOR Filed Nov. 29, 1920 2 Sheets-sheaf 1 IJI \llllllll III 6 Q 1-} m H M U W H -H. H w 1 mwwwhwnuwnnnu WHHNQ. wi:ii-i2:...:: -w m n m '1 NVENTOR Wa/ferM Dd/M ATTORNEY F- |L mi 1 IEilli III! [iii I WITNESSES: 023K April 29, 1924.

W. M. DANN TRANSFORMER RADIATOR Filed Nov; 29 1920 2 Sheets-Sheet 2 BY w I 11 1 I ATTORNEY Patented Apr. 29, 924.

asur rri'r WALTER, lt'l'. IDANTN, OI? XVILKINSBURG, PENNSYLVANIA, ASSIG-NGR T0 WESTZNG- HOUSE ELECTRIC 8!. MANUFACTURING- COMFANY, A CORPORATION 01 PENNSYL- VANIA.

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application filed November 29, 1920. Serial No. 427,190.

To all whom it may concern:

Be it known that I, WALTER M. DANN, a citizen of the United States, and aresident of Wilkinsburg, in the county of Allegheny and State of Pennsylvania, have invented a new and useful Improvement in Transformer Radiators, of which the following is a specification.

'My invention relates to heat dissipating devices and it has particular relation to apparatus of the above described character that is adapted for use in connection with electrical or other apparatus normally immersed within a cooling fluid. More specifically, my invention relates to means for cooling the oil or other cooling fluid utilized in transformers, or in other structures in which. it is desired to employ a fluid tight type of air cooled radiator.

One object of my invention is to provide a device by means of which the radiator or other cooling member is detachably secured to the fluid containing tank and in which the strains caused by the weight thereof shall be more equally distributed throughout the radiator.

Another object of my invention is to so arrange the connections between the radiator and the tank as to eliminate the necessity of providing special connecting elbows, to reduce the number of joints in said connections and to increase the amount of radiating area of said radiator.

Briefly speaking, my invention consists of constructing the coupling joint between the radiator and the tank upon which it is mounted 111 such manner that the radiator I may be readily detached from the tank without any interference whatever from the ad jacent radiator sections.

Heretofore, it has been customary, in the construction of radiators, to provide two spaced common header members having a plurality of radiatingunits or tubes disposed therebetween and in communication therewith. These header members and associated tubes are usually supported by means of a connection entering one side of the header member. Another supporting structure comprises an 'arrangement of pipes, including an elbow, which engages the central top portion of the header member, whereby communication is eflected with said header members.

One objection to the former type of connection is that in order to disconnect the radiator from the tank, it is necessary for the operator to climb either between, or on top of and underneath, said radiator sections in orderto reach the coupling members. If the radiators are relatively close together, as on very large transformers, an operator is prevented from moving therebetween. Also, when supported by one side entirely, the entire weight of the section acts as. a lever about the connecting joint,

causing excessive stresses therein. An objection to the latter type of structure having a connection in the central portion thereof is that special additional piping sections, including an elbow must be employed, thus necessitating an excessive number of fluid ti ht joints. Another objection is that such piping connections necessarilyoccupy considerable vertical space, thereby necessitat- 1ng the employment of comparatively short radiator sections.

According to my invention, I provide an extruded portion in the top and bottom of said header members whereby a straight short piping connection may be made to the tank. Also, the coupling members are attached together by fastening means disposed without the area of projection of the header member, that is to'say out'of alinement with said extruded portions in such manner that they are accessible to the 0peratorwhile standing beyond the perimeter formed by the outer edges of said radiator sections.

In the accompanying drawings, Figure 1 is a front elevational view of a radiator comprising a plurality of header members in accordance along the line IVIV thereof.

In Figs. 1 and 2, 1 show a radiator comrising spaced upper and lower header memers 5 each provided with apertures in one side thereof adapted to receive heat-dissipating units in the form of cooling pipes 6 and provided at the other side with extruded ortion 7 having an aperture 8 therein. ii ithin each oi the apertures 8 is disposed a tubular member 9 secured to the extruded portion 7 by welding or in any other suitable. manner and having associated therewith a coupling member 10- having elongated side portions or ear members 11. The ear members 11 are each rovided with apertures 12 P disposed out of alinement with the extruded portion 7, as best shown in Fig. 1.. The radiatorunits are supported by means of bolts 18 disposed within the apertures 12 which serve to clampingly engage the coupling members 10' of adjacently disposed header members.

The entireradiator section is mounted upon an apertured tank wall Ll by means of narrow and having the boltslS and 1? disposed out of alinement therewith, it is possible for the operator to stand at the end or" theradiator section and to disconnect the variousunits from each other, or to disconnect the entire section from the radiator tank, by means of a relatively long socket wrench.

In Figs. 8 and at, a header member 18 or" the rectangular type is illustrated as having attached to one side thereof a plurality of spaced pipes or tubes 19. On the other side 20 of the member 18 is a centrally disposed extruded portion 21, one side oi which is provided with an aperture 22.. The aperture 22 is adapted to receive'a tubular menu ber 23 by means of which it is supported upon and through which it communicates with, a tank 27. The member 23 is provided with a coupling member 24 having outwardlyprojecting side portions or ears 25 disposed out of alinement with the extruded portion 21,-as best shown in Fig. 4c.

' The coupling member 24 is attached to a similar coupling member 26, which is rigidly mounted upon a tank wall 27, by means out bolts. 28 disposed within the apertures in the ears 25 of the coupling members 24 and 2'6. As has been described in connection with Figs. 1 and 2, it is possible for the operator to stand at the outer edge of the radiator aaeaiei and to remove the bolts 28 from the coupling members 24.- and 26 by means of relatively long socket wrench.

From the foregoing description, it will be apparent to those skilled in the art that among others, the following advant. g th previously employed sti ctures are obtained. The radiators may be disconnected from the tank by any operator standing beyond the perimeter formed by the outer edges of the radiators. The excessive stresses causedby the entire weight of the radiator being supported by a connection disposed at one side thereof are reduced aproximately 50% by making the connection in the central portion thereof. The piping connections have been reduced to a minimum and to substantially standard parts. The number of fluid tight 1omtsnecessary has been reduced to a minimum. The radiating capacity of the transtormerhas been increased by permitting an increased length of radiator section, as uhe amount of space occupied by the radiator connection is reduced to a minimum.

1 claim as my invention:

1. A radiator comprising a plurality of heatmlissipating units, a header member provided with a plurality of openings in one side thereof for communication with said units, the opposite side thereof being provided with a centrally disposed extrusion forming a pocket, and means attached to said extrusion for supporting said radiator.

2. A radiator comprising a plurality of heat-dissipating units, a header member provided with a ality of openings in one side thereof for communication with said units, the opposite side thereoi being provided with an extrusion in the form of a pocket having an aperture therein, and a tubular extension engaging said aperture and provided with a coupling member having iastening means arranged out of alinement with said extrusion.

3. A. radiator coinprisinga plurality of heat-dissipating units, a header member provided with a plurality of openings in one side thereof for communication with said units, the opposite side, thereof having an extrusion in the form or a pocket provided with an opening their n, and a coupling member associated with said extrusion and in communication with said opening, said coupling member being provided with fastening means, said fastening means being disposed out ofalinement withsaid extrusion. 1

A radiator comprising a plurality of heat-dissipating units, a header member provided with a plurality of openings in one side thereof for communication with said units, the opposite side having an extruded portion in the form oi a pocket provided with an aperture therein, a tubular member disposed in communication with said aperture and attached to said extrusion.

5; A radiator adapted to be mounted on a tank, said radiator comprising a plurality of heat-dissipating units, a header member provided With a plurality of openings in one side thereof for communication with said units, the opposite side having an extruded portion in the form of a pocket provided with an aperture therein and provided with a coupling member, a coupling member rigidly mounted upon said tank, and means for clamping said coupling members together, said means being disposed out of alinement with said extrusion.

6. A. radiator adapted to be mounted on a tank, said radiator comprising a plurality of heat-dissipating units, a header member provided with a plurality of openings in one side thereof for communication with said units, the opposite side having an extruded portion in the form of a pocket provided with an aperture therein, a coupling member associated with said extruded portion, a similarly shaped coupling member mounted on said tank, said coupling members being provided with outwardly projecting openings therein out of alinement with said extrusion and adapted to receive threaded fastening means.

7. A radiator adapted to be mounted on a tank, said radiator comprising a plurality of heat-dissipating units disposed in sideby-side relation, each of said units being provided with an offset portion, a coupling member associated with each of said offset portions, and means disposed out of alinement with said ofi'set portions for securing together the coupling members of adjacent units. a

8. A radiator adapted to be mounted on a tank, said radiator comprising a plurality of heat-dissipating units disposed in side-byside relation, each of said units being provided with an offset portion, a coupling member associated with each of said oflset portions, and means disposed out of alinement with said offset portions for securing together the coupling members of adjacent units, the endmost of said units being pr0 vided with a coupling member relatively larger than said intermediately disposed coupling member, a similarly relatively larger coupling member associated with said tank, and means for clampingly engaging the coupling member of the endinost unit to the coupling member of the tank, said clamping means being disposed out of alinement with said offset portions and with said intermediately disposed coupling members.

9. A radiator adapted to be mounted on a tank, said radiator comprising a plurality of heat-dissipating units disposed in side-by.- side relation, each of said units being provided with an offset portion, a coupling member associated with each of said offset portions, said coupling members being provided with ofiset ears each having an aperture therein, bolts disposed within said apertures for securing said coupling members together, the endmost of said radiating units being provided with a coupling member relatively larger than said intermediately disposed coupling member and provided with an ofi'set ear member, a similarly relatively larger cou ling member associated with said tank, bots disposed within the aperture of said relatively larger coupling members, said last mentioned bolts being disposed outof alinement with said offset portions and with said intermediately disposed coupling members.

10. A radiator adapted to be mounted on a tank, said radiator comprising a heat-dissipating unit, a header member in communication therewith and provided with an extruded portion in the form of a pocket, means for establishing communication between said pocket and said tank, and means disposed without the area of projection of said header member and said extruded portion "for detachably securing said header member to said tank.

In testimony whereof, I have hereunto subscribed my name this 12th day of November, 1920.

WALTER M. DANN. 

